Merge branch 'master' into orangesurf/2024-07-19

backend/src/api/mempool.ts

@@ -396,10 +396,6 @@ class Mempool {
   }
 
   public $updateAccelerations(newAccelerations: Acceleration[]): string[] {
-    if (!config.MEMPOOL_SERVICES.ACCELERATIONS) {
-      return [];
-    }
-
     try {
       const changed: string[] = [];
 

backend/src/api/mining/mining-routes.ts

@@ -9,6 +9,7 @@ import bitcoinClient from '../bitcoin/bitcoin-client';
 import mining from "./mining";
 import PricesRepository from '../../repositories/PricesRepository';
 import AccelerationRepository from '../../repositories/AccelerationRepository';
+import accelerationApi from '../services/acceleration';
 
 class MiningRoutes {
   public initRoutes(app: Application) {
@@ -41,6 +42,8 @@ class MiningRoutes {
       .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations/block/:height', this.$getAccelerationsByHeight)
       .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations/recent/:interval', this.$getRecentAccelerations)
       .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations/total', this.$getAccelerationTotals)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations', this.$getActiveAccelerations)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'acceleration/request/:txid', this.$requestAcceleration)
     ;
   }
 
@@ -445,6 +448,37 @@ class MiningRoutes {
       res.status(500).send(e instanceof Error ? e.message : e);
     }
   }
+
+  private async $getActiveAccelerations(req: Request, res: Response): Promise<void> {
+    try {
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
+      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
+        res.status(400).send('Acceleration data is not available.');
+        return;
+      }
+      res.status(200).send(accelerationApi.accelerations || []);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $requestAcceleration(req: Request, res: Response): Promise<void> {
+    if (config.MEMPOOL_SERVICES.ACCELERATIONS || config.MEMPOOL.OFFICIAL) {
+      res.status(405).send('not available.');
+      return;
+    }
+    res.setHeader('Pragma', 'no-cache');
+    res.setHeader('Cache-control', 'private, no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0');
+    res.setHeader('expires', -1);
+    try {
+      accelerationApi.accelerationRequested(req.params.txid);
+      res.status(200).send('ok');
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
 }
 
 export default new MiningRoutes();

backend/src/api/services/acceleration.ts

@@ -1,8 +1,10 @@
 import config from '../../config';
 import logger from '../../logger';
-import { BlockExtended, PoolTag } from '../../mempool.interfaces';
+import { BlockExtended } from '../../mempool.interfaces';
 import axios from 'axios';
 
+type MyAccelerationStatus = 'requested' | 'accelerating' | 'done';
+
 export interface Acceleration {
   txid: string,
   added: number,
@@ -35,18 +37,88 @@ export interface AccelerationHistory {
 };
 
 class AccelerationApi {
-  public async $fetchAccelerations(): Promise<Acceleration[] | null> {
+  private apiPath = config.MEMPOOL.OFFICIAL ? (config.MEMPOOL_SERVICES.API + '/accelerator/accelerations') : (config.EXTERNAL_DATA_SERVER.MEMPOOL_API + '/accelerations');
-    if (config.MEMPOOL_SERVICES.ACCELERATIONS) {
+  private _accelerations: Acceleration[] | null = null;
+  private lastPoll = 0;
+  private forcePoll = false;
+  private myAccelerations: Record<string, { status: MyAccelerationStatus, added: number, acceleration?: Acceleration }> = {};
+
+  public get accelerations(): Acceleration[] | null {
+    return this._accelerations;
+  }
+
+  public countMyAccelerationsWithStatus(filter: MyAccelerationStatus): number {
+    return Object.values(this.myAccelerations).reduce((count, {status}) => { return count + (status === filter ? 1 : 0); }, 0);
+  }
+
+  public accelerationRequested(txid: string): void {
+    this.myAccelerations[txid] = { status: 'requested', added: Date.now() };
+  }
+
+  public accelerationConfirmed(): void {
+    this.forcePoll = true;
+  }
+
+  private async $fetchAccelerations(): Promise<Acceleration[] | null> {
     try {
-        const response = await axios.get(`${config.MEMPOOL_SERVICES.API}/accelerator/accelerations`, { responseType: 'json', timeout: 10000 });
+      const response = await axios.get(this.apiPath, { responseType: 'json', timeout: 10000 });
-        return response.data as Acceleration[];
+      return response?.data || [];
     } catch (e) {
       logger.warn('Failed to fetch current accelerations from the mempool services backend: ' + (e instanceof Error ? e.message : e));
       return null;
     }
-    } else {
-      return [];
   }
+
+  public async $updateAccelerations(): Promise<Acceleration[] | null> {
+    if (config.MEMPOOL_SERVICES.ACCELERATIONS) {
+      const accelerations = await this.$fetchAccelerations();
+      if (accelerations) {
+        this._accelerations = accelerations;
+        return this._accelerations;
+      }
+    } else {
+      return this.$updateAccelerationsOnDemand();
+    }
+    return null;
+  }
+
+  private async $updateAccelerationsOnDemand(): Promise<Acceleration[] | null> {
+    const shouldUpdate = this.forcePoll
+      || this.countMyAccelerationsWithStatus('requested') > 0
+      || (this.countMyAccelerationsWithStatus('accelerating') > 0 && this.lastPoll < (Date.now() - (10 * 60 * 1000)));
+
+    // update accelerations if necessary
+    if (shouldUpdate) {
+      const accelerations = await this.$fetchAccelerations();
+      this.lastPoll = Date.now();
+      this.forcePoll = false;
+      if (accelerations) {
+        const latestAccelerations: Record<string, Acceleration> = {};
+        // set relevant accelerations to 'accelerating'
+        for (const acc of accelerations) {
+          if (this.myAccelerations[acc.txid]) {
+            latestAccelerations[acc.txid] = acc;
+            this.myAccelerations[acc.txid] = { status: 'accelerating', added: Date.now(), acceleration: acc };
+          }
+        }
+        // txs that are no longer accelerating are either confirmed or canceled, so mark for expiry
+        for (const [txid, { status, acceleration }] of Object.entries(this.myAccelerations)) {
+          if (status === 'accelerating' && !latestAccelerations[txid]) {
+            this.myAccelerations[txid] = { status: 'done', added: Date.now(), acceleration };
+          }
+        }
+      }
+    }
+
+    // clear expired accelerations (confirmed / failed / not accepted) after 10 minutes
+    for (const [txid, { status, added }] of Object.entries(this.myAccelerations)) {
+      if (['requested', 'done'].includes(status) && added < (Date.now() - (1000 * 60 * 10))) {
+        delete this.myAccelerations[txid];
+      }
+    }
+
+    this._accelerations = Object.values(this.myAccelerations).map(({ acceleration }) => acceleration).filter(acc => acc) as Acceleration[];
+    return this._accelerations;
   }
 
   public async $fetchAccelerationHistory(page?: number, status?: string): Promise<AccelerationHistory[] | null> {

backend/src/api/websocket-handler.ts

@@ -538,9 +538,9 @@ class WebsocketHandler {
     }
 
     if (config.MEMPOOL.RUST_GBT) {
-      await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, newMempool, added, removed, candidates, config.MEMPOOL_SERVICES.ACCELERATIONS);
+      await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, newMempool, added, removed, candidates, true);
     } else {
-      await mempoolBlocks.$updateBlockTemplates(transactionIds, newMempool, added, removed, candidates, accelerationDelta, true, config.MEMPOOL_SERVICES.ACCELERATIONS);
+      await mempoolBlocks.$updateBlockTemplates(transactionIds, newMempool, added, removed, candidates, accelerationDelta, true, true);
     }
 
     const mBlocks = mempoolBlocks.getMempoolBlocks();
@@ -949,9 +949,8 @@ class WebsocketHandler {
     if (config.MEMPOOL.AUDIT && memPool.isInSync()) {
       let projectedBlocks;
       const auditMempool = _memPool;
-      const isAccelerated = config.MEMPOOL_SERVICES.ACCELERATIONS && accelerationApi.isAcceleratedBlock(block, Object.values(mempool.getAccelerations()));
+      const isAccelerated = accelerationApi.isAcceleratedBlock(block, Object.values(mempool.getAccelerations()));
 
-      if ((config.MEMPOOL_SERVICES.ACCELERATIONS)) {
       if (config.MEMPOOL.RUST_GBT) {
         const added = memPool.limitGBT ? (candidates?.added || []) : [];
         const removed = memPool.limitGBT ? (candidates?.removed || []) : [];
@@ -959,9 +958,6 @@ class WebsocketHandler {
       } else {
         projectedBlocks = await mempoolBlocks.$makeBlockTemplates(transactionIds, auditMempool, candidates, false, isAccelerated, block.extras.pool.id);
       }
-      } else {
-        projectedBlocks = mempoolBlocks.getMempoolBlocksWithTransactions();
-      }
 
       if (Common.indexingEnabled()) {
         const { censored, added, prioritized, fresh, sigop, fullrbf, accelerated, score, similarity } = Audit.auditBlock(transactions, projectedBlocks, auditMempool);
@@ -1040,7 +1036,7 @@ class WebsocketHandler {
       const removed = memPool.limitGBT ? (candidates?.removed || []) : transactions;
       await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, _memPool, added, removed, candidates, true);
     } else {
-      await mempoolBlocks.$makeBlockTemplates(transactionIds, _memPool, candidates, true, config.MEMPOOL_SERVICES.ACCELERATIONS);
+      await mempoolBlocks.$makeBlockTemplates(transactionIds, _memPool, candidates, true, true);
     }
     const mBlocks = mempoolBlocks.getMempoolBlocks();
     const mBlockDeltas = mempoolBlocks.getMempoolBlockDeltas();

backend/src/index.ts

@@ -229,7 +229,7 @@ class Server {
       const newMempool = await bitcoinApi.$getRawMempool();
       const minFeeMempool = memPool.limitGBT ? await bitcoinSecondClient.getRawMemPool() : null;
       const minFeeTip = memPool.limitGBT ? await bitcoinSecondClient.getBlockCount() : -1;
-      const newAccelerations = await accelerationApi.$fetchAccelerations();
+      const newAccelerations = await accelerationApi.$updateAccelerations();
       const numHandledBlocks = await blocks.$updateBlocks();
       const pollRate = config.MEMPOOL.POLL_RATE_MS * (indexer.indexerIsRunning() ? 10 : 1);
       if (numHandledBlocks === 0) {

backend/src/repositories/AccelerationRepository.ts

@@ -213,6 +213,15 @@ class AccelerationRepository {
         this.$saveAcceleration(accelerationInfo, block, block.extras.pool.id, successfulAccelerations);
       }
     }
+    let anyConfirmed = false;
+    for (const acc of accelerations) {
+      if (blockTxs[acc.txid]) {
+        anyConfirmed = true;
+      }
+    }
+    if (anyConfirmed) {
+      accelerationApi.accelerationConfirmed();
+    }
     const lastSyncedHeight = await this.$getLastSyncedHeight();
     // if we've missed any blocks, let the indexer catch up from the last synced height on the next run
     if (block.height === lastSyncedHeight + 1) {

docker/frontend/entrypoint.sh

@@ -40,6 +40,7 @@ __MAINNET_BLOCK_AUDIT_START_HEIGHT__=${MAINNET_BLOCK_AUDIT_START_HEIGHT:=0}
 __TESTNET_BLOCK_AUDIT_START_HEIGHT__=${TESTNET_BLOCK_AUDIT_START_HEIGHT:=0}
 __SIGNET_BLOCK_AUDIT_START_HEIGHT__=${SIGNET_BLOCK_AUDIT_START_HEIGHT:=0}
 __ACCELERATOR__=${ACCELERATOR:=false}
+__ACCELERATOR_BUTTON__=${ACCELERATOR_BUTTON:=true}
 __SERVICES_API__=${SERVICES_API:=false}
 __PUBLIC_ACCELERATIONS__=${PUBLIC_ACCELERATIONS:=false}
 __HISTORICAL_PRICE__=${HISTORICAL_PRICE:=true}
@@ -70,6 +71,7 @@ export __MAINNET_BLOCK_AUDIT_START_HEIGHT__
 export __TESTNET_BLOCK_AUDIT_START_HEIGHT__
 export __SIGNET_BLOCK_AUDIT_START_HEIGHT__
 export __ACCELERATOR__
+export __ACCELERATOR_BUTTON__
 export __SERVICES_API__
 export __PUBLIC_ACCELERATIONS__
 export __HISTORICAL_PRICE__

frontend/mempool-frontend-config.sample.json

@@ -25,6 +25,7 @@
   "HISTORICAL_PRICE": true,
   "ADDITIONAL_CURRENCIES": false,
   "ACCELERATOR": false,
+  "ACCELERATOR_BUTTON": true,
   "PUBLIC_ACCELERATIONS": false,
   "SERVICES_API": "https://mempool.space/api/v1/services"
 }

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.html

@@ -389,16 +389,22 @@
                   </div>
                 }
               </div>
-              @if (canPayWithCashapp) {
+              @if (canPayWithCashapp || canPayWithApplePay) {
                 <div class="col-sm text-center flex-grow-0  d-flex flex-column justify-content-center align-items-center">
                   <p class="text-nowrap">&mdash;<span i18n="or">OR</span>&mdash;</p>
                 </div>
               }
             }
-            @if (canPayWithCashapp) {
+            @if (canPayWithCashapp || canPayWithApplePay) {
               <div class="col-sm text-center d-flex flex-column justify-content-center align-items-center">
                 <p><ng-container i18n="transaction.pay|Pay button label">Pay</ng-container>&nbsp;<app-fiat [value]="cost"></app-fiat> with</p>
-                <img class="paymentMethod mx-2" src="/resources/cash-app.svg" height=55 (click)="moveToStep('cashapp')">
+                @if (canPayWithCashapp) {
+                  <img class="paymentMethod mx-2" style="width: 200px" src="/resources/cash-app.svg" height=55 (click)="moveToStep('cashapp')">
+                }
+                @if (canPayWithApplePay) {
+                  @if (canPayWithCashapp) { <hr class="w-25 mt-2 mb-2"> }
+                  <img style="cursor: pointer;" src="/resources/apple-pay.svg" height=55 (click)="moveToStep('applepay')">
+                }
               </div>
             }
           </div>
@@ -421,9 +427,9 @@
         <button type="button" class="mt-1 btn btn-secondary btn-sm rounded-pill align-self-center" style="width: 200px" (click)="moveToStep('summary')" i18n="go-back">Go back</button>
       </div>
     </div>
-  } @else if (step === 'cashapp') {
+  } @else if (step === 'cashapp' || step === 'applepay') {
     <!-- Show checkout page -->
-    <div class="row mb-md-1 text-center">
+    <div class="row mb-md-1 text-center" id="confirm-title">
       <div class="col-sm" id="confirm-payment-title">
         <h1 style="font-size: larger;"><ng-content select="[slot='checkout-title']"></ng-content><span class="default-slot" i18n="accelerator.confirm-your-payment">Confirm your payment</span></h1>
       </div>
@@ -437,7 +443,7 @@
       </div>
     </div>
 
-    @if (!loadingCashapp) {
+    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay) {
       <div class="row text-center mt-1">
         <div class="col-sm">
           <div class="form-group w-100">
@@ -456,8 +462,12 @@
     <div class="row text-center mt-1">
       <div class="col-sm">
         <div class="form-group w-100">
+          @if (step === 'applepay') {
+            <div id="apple-pay-button" class="apple-pay-button apple-pay-button-white" [style]="loadingApplePay ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
+          } @else if (step === 'cashapp') {          
             <div id="cash-app-pay" class="d-inline-block" [style]="loadingCashapp ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
-          @if (loadingCashapp) {
+          }
+          @if (loadingCashapp || loadingApplePay) {
           <div display="d-flex flex-row justify-content-center">
             <span i18n="accelerator.loading-payment-method">Loading payment method...</span>
             <div class="ml-2 spinner-border text-light" style="width: 25px; height: 25px"></div>
@@ -549,7 +559,7 @@
   <button type="button" *ngIf="advancedEnabled" class="btn btn-sm btn-outline-info btn-small-height ml-2" (click)="moveToStep('quote')" i18n="accelerator.customize">customize</button>
 </ng-template>
 
-<ng-template #accelerateTo let-x i18n="accelerator.accelerate-to-x">Accelerate to ~{{ x | number : '1.0-0' }} sat/vB</ng-template>
+<ng-template id="accelerate-to" #accelerateTo let-x i18n="accelerator.accelerate-to-x">Accelerate to ~{{ x | number : '1.0-0' }} sat/vB</ng-template>
 
 <ng-template #accelerateButton>
   <div class="position-relative">

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.scss

@@ -11,8 +11,7 @@
 .paymentMethod {
   padding: 10px;
   background-color: var(--secondary);
-  border-radius: 15px;
+  border-radius: 10px;
-  border: 2px solid var(--bg);
   cursor: pointer;
 }
 
@@ -203,3 +202,18 @@
 .btn-error-wrapper {
   height: 26px;
 }
+
+.apple-pay-button {
+    display: inline-block;
+    -webkit-appearance: -apple-pay-button;
+    -apple-pay-button-type: plain; /* Use any supported button type. */
+}
+.apple-pay-button-black {
+    -apple-pay-button-style: black;
+}
+.apple-pay-button-white {
+    -apple-pay-button-style: white;
+}
+.apple-pay-button-white-with-line {
+    -apple-pay-button-style: white-outline;
+}

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts

@@ -1,7 +1,7 @@
 import { Component, OnInit, OnDestroy, Output, EventEmitter, Input, ChangeDetectorRef, SimpleChanges, HostListener } from '@angular/core';
 import { Subscription, tap, of, catchError, Observable, switchMap } from 'rxjs';
 import { ServicesApiServices } from '../../services/services-api.service';
-import { nextRoundNumber, insecureRandomUUID } from '../../shared/common.utils';
+import { md5, nextRoundNumber, insecureRandomUUID } from '../../shared/common.utils';
 import { StateService } from '../../services/state.service';
 import { AudioService } from '../../services/audio.service';
 import { ETA, EtaService } from '../../services/eta.service';
@@ -9,6 +9,7 @@ import { Transaction } from '../../interfaces/electrs.interface';
 import { MiningStats } from '../../services/mining.service';
 import { IAuth, AuthServiceMempool } from '../../services/auth.service';
 import { EnterpriseService } from '../../services/enterprise.service';
+import { ApiService } from '../../services/api.service';
 
 export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp';
 
@@ -46,7 +47,7 @@ export const MIN_BID_RATIO = 1;
 export const DEFAULT_BID_RATIO = 2;
 export const MAX_BID_RATIO = 4;
 
-type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'processing' | 'paid' | 'success';
+type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'processing' | 'paid' | 'success';
 
 @Component({
   selector: 'app-accelerate-checkout',
@@ -60,6 +61,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   @Input() eta: ETA;
   @Input() scrollEvent: boolean;
   @Input() cashappEnabled: boolean = true;
+  @Input() applePayEnabled: boolean = false;
   @Input() advancedEnabled: boolean = false;
   @Input() forceMobile: boolean = false;
   @Input() showDetails: boolean = false;
@@ -109,11 +111,12 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
 
   // square
   loadingCashapp = false;
+  loadingApplePay = false;
   cashappError = false;
   cashappSubmit: any;
   payments: any;
   cashAppPay: any;
-  cashAppSubscription: Subscription;
+  applePay: any;
   conversionsSubscription: Subscription;
   conversions: any;
   
@@ -123,6 +126,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
 
   constructor(
     public stateService: StateService,
+    private apiService: ApiService,
     private servicesApiService: ServicesApiServices,
     private etaService: EtaService,
     private audioService: AudioService,
@@ -131,6 +135,12 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     private enterpriseService: EnterpriseService,
   ) {
     this.accelerationUUID = insecureRandomUUID();
+
+    // Check if Apple Pay available
+    // @ts-ignore https://developer.apple.com/documentation/apple_pay_on_the_web/apple_pay_js_api/checking_for_apple_pay_availability#overview
+    if (window.ApplePaySession) {
+      this.applePayEnabled = true;
+    }
   }
 
   ngOnInit() {
@@ -212,6 +222,12 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       this.loadingCashapp = true;
       this.insertSquare();
       this.setupSquare();
+      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
+    } else if (this._step === 'applepay' && this.applePayEnabled) {
+      this.loadingApplePay = true;
+      this.insertSquare();
+      this.setupSquare();
+      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
     } else if (this._step === 'paid') {
       this.timePaid = Date.now();
       this.timeoutTimer = setTimeout(() => {
@@ -370,10 +386,11 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       this.accelerationUUID
     ).subscribe({
       next: () => {
+        this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
         this.audioService.playSound('ascend-chime-cartoon');
         this.showSuccess = true;
         this.estimateSubscription.unsubscribe();
-        this.moveToStep('paid')
+        this.moveToStep('paid');
       },
       error: (response) => {
         this.accelerateError = response.error;
@@ -421,17 +438,113 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     try {
       //@ts-ignore
       this.payments = window.Square.payments(this.square.appId, this.square.locationId)
+      const urlParams = new URLSearchParams(window.location.search);
+      if (this._step === 'cashapp' || urlParams.get('cash_request_id')) {
         await this.requestCashAppPayment();
+      } else if (this._step === 'applepay') {
+        await this.requestApplePayPayment();
+      }
     } catch (e) {
       console.debug('Error loading Square Payments', e);
       this.cashappError = true;
       return;
     }
   }
-  async requestCashAppPayment() {
+
-    if (this.cashAppSubscription) {
+  /**
-      this.cashAppSubscription.unsubscribe();
+   * APPLE PAY
+   */
+  async requestApplePayPayment() {
+    if (this.conversionsSubscription) {
+      this.conversionsSubscription.unsubscribe();
     }
+    
+    this.conversionsSubscription = this.stateService.conversions$.subscribe(
+      async (conversions) => {
+        this.conversions = conversions;
+        if (this.applePay) {
+          this.applePay.destroy();
+        }
+
+        const costUSD = this.cost / 100_000_000 * conversions.USD;
+        const paymentRequest = this.payments.paymentRequest({
+          countryCode: 'US',
+          currencyCode: 'USD',
+          total: {
+            amount: costUSD.toFixed(2),
+            label: 'Total',
+          },
+        });
+
+        try {
+          this.applePay = await this.payments.applePay(paymentRequest);
+          const applePayButton = document.getElementById('apple-pay-button');
+          if (!applePayButton) {
+            console.error(`Unable to find apple pay button id='apple-pay-button'`);
+            // Try again
+            setTimeout(this.requestApplePayPayment.bind(this), 500);
+            return;
+          }
+          this.loadingApplePay = false;
+          applePayButton.addEventListener('click', async event => {
+            event.preventDefault();
+            const tokenResult = await this.applePay.tokenize();
+            if (tokenResult?.status === 'OK') {
+              const card = tokenResult.details?.card;
+              if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
+                console.error(`Cannot retreive payment card details`);
+                this.accelerateError = 'apple_pay_no_card_details';
+                return;
+              }
+              const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
+              this.servicesApiService.accelerateWithApplePay$(
+                this.tx.txid,
+                tokenResult.token,
+                cardTag,
+                `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+                this.accelerationUUID
+              ).subscribe({
+                next: () => {
+                  this.audioService.playSound('ascend-chime-cartoon');
+                  if (this.applePay) {
+                    this.applePay.destroy();
+                  }
+                  setTimeout(() => {
+                    this.moveToStep('paid');
+                  }, 1000);
+                },
+                error: (response) => {
+                  this.accelerateError = response.error;
+                  if (!(response.status === 403 && response.error === 'not_available')) {
+                    setTimeout(() => {
+                      // Reset everything by reloading the page :D, can be improved
+                      const urlParams = new URLSearchParams(window.location.search);
+                      window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                    }, 3000);
+                  }
+                }
+              });
+            } else {
+              let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
+              if (tokenResult.errors) {
+                errorMessage += ` and errors: ${JSON.stringify(
+                  tokenResult.errors,
+                )}`;
+              }
+              throw new Error(errorMessage);
+            }
+          });
+        } catch (e) {
+          console.error(e);
+        }
+      }
+    );
+  }
+
+  /**
+   * CASHAPP
+   */
+  async requestCashAppPayment() {
     if (this.conversionsSubscription) {
       this.conversionsSubscription.unsubscribe();
     }
@@ -449,7 +562,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
           countryCode: 'US',
           currencyCode: 'USD',
           total: {
-            amount: costUSD.toString(),
+            amount: costUSD.toFixed(2),
             label: 'Total',
             pending: true,
             productUrl: `${redirectHostname}/tracker/${this.tx.txid}`,
@@ -467,23 +580,23 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
         }
         this.loadingCashapp = false;
 
-        const that = this;
+        this.cashAppPay.addEventListener('ontokenization', event => {
-        this.cashAppPay.addEventListener('ontokenization', function (event) {
           const { tokenResult, error } = event.detail;
           if (error) {
             this.accelerateError = error;
           } else if (tokenResult.status === 'OK') {
-            that.servicesApiService.accelerateWithCashApp$(
+            this.servicesApiService.accelerateWithCashApp$(
-              that.tx.txid,
+              this.tx.txid,
               tokenResult.token,
               tokenResult.details.cashAppPay.cashtag,
               tokenResult.details.cashAppPay.referenceId,
-              that.accelerationUUID
+              this.accelerationUUID
             ).subscribe({
               next: () => {
-                that.audioService.playSound('ascend-chime-cartoon');
+                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
-                if (that.cashAppPay) {
+                this.audioService.playSound('ascend-chime-cartoon');
-                  that.cashAppPay.destroy();
+                if (this.cashAppPay) {
+                  this.cashAppPay.destroy();
                 }
                 setTimeout(() => {
                   this.moveToStep('paid');
@@ -494,7 +607,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                 }, 1000);
               },
               error: (response) => {
-                that.accelerateError = response.error;
+                this.accelerateError = response.error;
                 if (!(response.status === 403 && response.error === 'not_available')) {
                   setTimeout(() => {
                     // Reset everything by reloading the page :D, can be improved
@@ -530,9 +643,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   bitcoinPaymentCompleted(): void {
+    this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
     this.audioService.playSound('ascend-chime-cartoon');
     this.estimateSubscription.unsubscribe();
-    this.moveToStep('paid')
+    this.moveToStep('paid');
   }
 
   isLoggedIn(): boolean {
@@ -565,6 +679,13 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     return !!this.estimate?.availablePaymentMethods?.cashapp;
   }
 
+  get couldPayWithApplePay() {
+    if (!this.applePayEnabled) {
+      return false;
+    }
+    return !!this.estimate?.availablePaymentMethods?.applePay;
+  }
+
   get couldPayWithBalance() {
     if (!this.hasAccessToBalanceMode) {
       return false;
@@ -573,7 +694,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   get couldPay() {
-    return this.couldPayWithBalance || this.couldPayWithBitcoin || this.couldPayWithCashapp;
+    return this.couldPayWithBalance || this.couldPayWithBitcoin || this.couldPayWithCashapp || this.couldPayWithApplePay;
   }
 
   get canPayWithBitcoin() {
@@ -597,6 +718,22 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     return false;
   }
 
+  get canPayWithApplePay() {
+    if (!this.applePayEnabled || !this.conversions) {
+      return false;
+    }
+
+    const paymentMethod = this.estimate?.availablePaymentMethods?.applePay;
+    if (paymentMethod) {
+      const costUSD = (this.cost / 100_000_000 * this.conversions.USD);
+      if (costUSD >= paymentMethod.min && costUSD <= paymentMethod.max) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   get canPayWithBalance() {
     if (!this.hasAccessToBalanceMode) {
       return false;
@@ -606,7 +743,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   get canPay() {
-    return this.canPayWithBalance || this.canPayWithBitcoin || this.canPayWithCashapp;
+    return this.canPayWithBalance || this.canPayWithBitcoin || this.canPayWithCashapp || this.canPayWithApplePay;
   }
 
   get hasAccessToBalanceMode() {

frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.html

@@ -16,6 +16,7 @@
         <ng-container *ngIf="!pending">
           <th class="fee text-right" i18n="transaction.bid-boost|Bid Boost">Bid Boost</th>
           <th class="block text-right" i18n="shared.block-title">Block</th>
+          <th class="pool text-right" i18n="mining.pool-name" *ngIf="!this.widget">Pool</th>
           <th class="status text-right" i18n="transaction.status|Transaction Status">Status</th>
           <th class="date text-right" i18n="accelerator.requested" *ngIf="!this.widget">Requested</th>
         </ng-container>
@@ -49,6 +50,16 @@
               <a *ngIf="acceleration.blockHeight" [routerLink]="['/block' | relativeUrl, acceleration.blockHeight]">{{ acceleration.blockHeight }}</a>
               <span *ngIf="!acceleration.blockHeight">~</span>
             </td>
+            <td class="pool text-right" *ngIf="!this.widget">
+              @if (acceleration.minedByPoolUniqueId && pools[acceleration.minedByPoolUniqueId]) {
+                <a placement="bottom" [routerLink]="['/mining/pool' | relativeUrl, pools[acceleration.minedByPoolUniqueId].slug]" class="badge" style="color: #FFF;padding:0;">
+                  <img class="pool-logo" [src]="'/resources/mining-pools/' + pools[acceleration.minedByPoolUniqueId].slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + pools[acceleration.minedByPoolUniqueId].name + ' mining pool'">
+                  {{ pools[acceleration.minedByPoolUniqueId].name }}
+                </a>
+              } @else {
+                ~
+              }
+            </td>
             <td class="status text-right">
               <span *ngIf="acceleration.status === 'accelerating'" class="badge badge-warning" i18n="accelerator.pending">Pending</span>
               <span *ngIf="acceleration.status.includes('completed')" class="badge badge-success" i18n="">Completed <span *ngIf="acceleration.status === 'completed_provisional'">🔄</span></span>

frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.scss

@@ -12,7 +12,7 @@
   padding-bottom: 0px;
 }
 .container-xl.legacy {
-  max-width: 1140px;
+  max-width: 1200px;
 }
 .container-xl.widget-container {
   min-height: 335px;
@@ -72,9 +72,25 @@ tr, td, th {
 
 .block {
   width: 15%;
+  @media (max-width: 900px) {
+    display: none;
+  }
+}
+
+.pool {
+  width: 15%;
+  
   @media (max-width: 700px) {
     display: none;
   }
+
+  .pool-logo {
+    width: 22px;
+    height: 22px;
+    position: relative;
+    top: -1px;
+    margin-right: 2px;
+  }
 }
 
 .status {

frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.ts

@@ -1,11 +1,12 @@
 import { Component, OnInit, ChangeDetectionStrategy, Input, ChangeDetectorRef, OnDestroy, Inject, LOCALE_ID } from '@angular/core';
 import { BehaviorSubject, Observable, Subscription, catchError, filter, of, switchMap, tap, throttleTime } from 'rxjs';
-import { Acceleration, BlockExtended } from '../../../interfaces/node-api.interface';
+import { Acceleration, BlockExtended, SinglePoolStats } from '../../../interfaces/node-api.interface';
 import { StateService } from '../../../services/state.service';
 import { WebsocketService } from '../../../services/websocket.service';
 import { ServicesApiServices } from '../../../services/services-api.service';
 import { SeoService } from '../../../services/seo.service';
 import { ActivatedRoute, Router } from '@angular/router';
+import { MiningService } from '../../../services/mining.service';
 
 @Component({
   selector: 'app-accelerations-list',
@@ -30,11 +31,13 @@ export class AccelerationsListComponent implements OnInit, OnDestroy {
   keyNavigationSubscription: Subscription;
   dir: 'rtl' | 'ltr' = 'ltr';
   paramSubscription: Subscription;
+  pools: { [id: number]: SinglePoolStats } = {};
 
   constructor(
     private servicesApiService: ServicesApiServices,
     private websocketService: WebsocketService,
     public stateService: StateService,
+    private miningService: MiningService,
     private cd: ChangeDetectorRef,
     private seoService: SeoService,
     private route: ActivatedRoute,
@@ -79,6 +82,12 @@ export class AccelerationsListComponent implements OnInit, OnDestroy {
       ).subscribe(() => {
         this.pageChange(this.page);
       });
+
+      this.miningService.getMiningStats('1m').subscribe(stats => {
+        for (const pool of stats.pools) {
+          this.pools[pool.poolUniqueId] = pool;
+        }
+      });
     }
 
     this.skeletonLines = this.widget === true ? [...Array(6).keys()] : [...Array(15).keys()];

frontend/src/app/components/address/address.component.html

@@ -249,7 +249,7 @@
 </ng-template>
 
 <ng-template #pendingBalanceRow>
-  <td i18n="address.unconfirmed-balance" class="font-italic">Unconfirmed balance</td>
+  <td i18n="accelerator.pending-state" class="font-italic">Pending</td>
   <td *ngIf="mempoolStats.funded_txo_sum !== undefined; else confidentialTd" class="font-italic wrap-cell"><app-amount [satoshis]="mempoolStats.balance" [noFiat]="true" [addPlus]="true"></app-amount> <span class="fiat"><app-fiat [value]="mempoolStats.balance"></app-fiat></span></td>
 </ng-template>
 
@@ -259,7 +259,7 @@
 </ng-template>
 
 <ng-template #pendingUtxoRow>
-  <td i18n="address.unconfirmed-utxos" class="font-italic">Unconfirmed UTXOs</td>
+  <td i18n="address.pending-utxos" class="font-italic">Pending UTXOs</td>
   <td class="font-italic wrap-cell">{{ mempoolStats.utxos > 0 ? '+' : ''}}{{ mempoolStats.utxos }}</td>
 </ng-template>
 

frontend/src/app/components/search-form/search-form.component.ts

@@ -303,7 +303,6 @@ export class SearchFormComponent implements OnInit {
           (error) => { console.log(error); this.isSearching = false; }
         );
       } else {
-        this.searchResults.searchButtonClick();
         this.isSearching = false;
       }
     }

frontend/src/app/components/start/start.component.ts

@@ -234,7 +234,7 @@ export class StartComponent implements OnInit, AfterViewChecked, OnDestroy {
     this.minScrollWidth = 40 + (8 * this.blockWidth) + (this.pageWidth * 2);
 
     if (firstVisibleBlock != null) {
-      this.scrollToBlock(firstVisibleBlock, offset);
+      this.scrollToBlock(firstVisibleBlock, offset + (this.isMobile ? this.blockWidth : 0));
     } else {
       this.updatePages();
     }

frontend/src/app/components/transaction/transaction.component.ts

@@ -11,7 +11,9 @@ import {
   tap,
   map,
   retry,
-  startWith
+  startWith,
+  repeat,
+  take
 } from 'rxjs/operators';
 import { Transaction } from '../../interfaces/electrs.interface';
 import { of, merge, Subscription, Observable, Subject, from, throwError, combineLatest, BehaviorSubject } from 'rxjs';
@@ -76,6 +78,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   transactionTime = -1;
   subscription: Subscription;
   fetchCpfpSubscription: Subscription;
+  transactionTimesSubscription: Subscription;
   fetchRbfSubscription: Subscription;
   fetchCachedTxSubscription: Subscription;
   fetchAccelerationSubscription: Subscription;
@@ -88,6 +91,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   blocksSubscription: Subscription;
   miningSubscription: Subscription;
   auditSubscription: Subscription;
+  txConfirmedSubscription: Subscription;
   currencyChangeSubscription: Subscription;
   fragmentParams: URLSearchParams;
   rbfTransaction: undefined | Transaction;
@@ -106,6 +110,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   showCpfpDetails = false;
   miningStats: MiningStats;
   fetchCpfp$ = new Subject<string>();
+  transactionTimes$ = new Subject<string>();
   fetchRbfHistory$ = new Subject<string>();
   fetchCachedTx$ = new Subject<string>();
   fetchAcceleration$ = new Subject<number>();
@@ -141,7 +146,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   taprootEnabled: boolean;
   hasEffectiveFeeRate: boolean;
   accelerateCtaType: 'alert' | 'button' = 'button';
-  acceleratorAvailable: boolean = this.stateService.env.ACCELERATOR && this.stateService.network === '';
+  acceleratorAvailable: boolean = this.stateService.env.ACCELERATOR_BUTTON && this.stateService.network === '';
   eligibleForAcceleration: boolean = false;
   forceAccelerationSummary = false;
   hideAccelerationSummary = false;
@@ -195,7 +200,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.stateService.networkChanged$.subscribe(
       (network) => {
         this.network = network;
-        this.acceleratorAvailable = this.stateService.env.ACCELERATOR && this.stateService.network === '';
+        this.acceleratorAvailable = this.stateService.env.ACCELERATOR_BUTTON && this.stateService.network === '';
       }
     );
 
@@ -225,6 +230,25 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
       this.latestBlock = blocks[0];
     });
 
+    this.transactionTimesSubscription = this.transactionTimes$.pipe(
+      tap(() => {
+        this.isLoadingFirstSeen = true;
+      }),
+      switchMap((txid) => this.apiService.getTransactionTimes$([txid]).pipe(
+        retry({ count: 2, delay: 2000 }),
+        // Try again until we either get a valid response, or the transaction is confirmed
+        repeat({ delay: 2000 }),
+        filter((transactionTimes) => transactionTimes?.length && transactionTimes[0] > 0 && !this.tx.status?.confirmed),
+        take(1),
+      )),
+    )
+    .subscribe((transactionTimes) => {
+      this.isLoadingFirstSeen = false;
+      if (transactionTimes?.length && transactionTimes[0]) {
+        this.transactionTime = transactionTimes[0];
+      }
+    });
+
     this.fetchCpfpSubscription = this.fetchCpfp$
       .pipe(
         switchMap((txId) =>
@@ -572,7 +596,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
             if (tx.firstSeen) {
               this.transactionTime = tx.firstSeen;
             } else {
-              this.getTransactionTime();
+              this.transactionTimes$.next(tx.txid);
             }
           } else {
             this.fetchAcceleration$.next(tx.status.block_height);
@@ -625,7 +649,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
         }
       );
 
-    this.stateService.txConfirmed$.subscribe(([txConfirmed, block]) => {
+    this.txConfirmedSubscription = this.stateService.txConfirmed$.subscribe(([txConfirmed, block]) => {
       if (txConfirmed && this.tx && !this.tx.status.confirmed && txConfirmed === this.tx.txid) {
         if (this.tx.acceleration) {
           this.waitingForAccelerationInfo = true;
@@ -729,7 +753,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
           this.accelerationPositions,
         );
       })
-    )
+    );
   }
 
   ngAfterViewInit(): void {
@@ -763,28 +787,6 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     return of(false);
   }
 
-  getTransactionTime() {
-    this.isLoadingFirstSeen = true;
-    this.apiService
-      .getTransactionTimes$([this.tx.txid])
-      .pipe(
-        retry({ count: 2, delay: 2000 }),
-        catchError(() => {
-          this.isLoadingFirstSeen = false;
-          return throwError(() => new Error(''));
-        })
-      )
-      .subscribe((transactionTimes) => {
-        if (transactionTimes?.length && transactionTimes[0]) {
-          this.transactionTime = transactionTimes[0];
-        } else {
-          setTimeout(() => {
-            this.getTransactionTime();
-          }, 2000);
-        }
-      });
-  }
-
   setCpfpInfo(cpfpInfo: CpfpInfo): void {
     if (!cpfpInfo || !this.tx) {
       this.cpfpInfo = null;
@@ -1057,6 +1059,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   ngOnDestroy() {
     this.subscription.unsubscribe();
     this.fetchCpfpSubscription.unsubscribe();
+    this.transactionTimesSubscription.unsubscribe();
     this.fetchRbfSubscription.unsubscribe();
     this.fetchCachedTxSubscription.unsubscribe();
     this.fetchAccelerationSubscription.unsubscribe();
@@ -1070,6 +1073,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.blocksSubscription.unsubscribe();
     this.miningSubscription?.unsubscribe();
     this.auditSubscription?.unsubscribe();
+    this.txConfirmedSubscription?.unsubscribe();
     this.currencyChangeSubscription?.unsubscribe();
     this.leaveTransaction();
   }

frontend/src/app/docs/api-docs/api-docs-data.ts

@@ -8993,7 +8993,7 @@ export const restApiDocsData = [
     fragment: "accelerator-estimate",
     title: "POST Calculate Estimated Costs",
     description: {
-      default: "<p>Returns estimated costs to accelerate a transaction. Optionally set the <code>api_key</code> header to get customized estimation.</p>"
+      default: "<p>Returns estimated costs to accelerate a transaction. Optionally set the <code>X-Mempool-Auth</code> header to get customized estimation.</p>"
     },
     urlString: "/v1/services/accelerator/estimate",
     showConditions: [""],
@@ -9009,7 +9009,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: ["txInput=ee13ebb99632377c15c94980357f674d285ac413452050031ea6dcd3e9b2dc29"],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `{
   "txSummary": {
     "txid": "ee13ebb99632377c15c94980357f674d285ac413452050031ea6dcd3e9b2dc29",
@@ -9240,7 +9240,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: [],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `[
   {
     "type": "Bitcoin",
@@ -9288,7 +9288,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: [],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `{
   "balance": 99900000,
   "hold": 101829,
@@ -9322,7 +9322,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: ["txInput=ee13ebb99632377c15c94980357f674d285ac413452050031ea6dcd3e9b2dc29&userBid=21000000"],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `HTTP/1.1 200 OK`,
         },
       }
@@ -9352,7 +9352,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: [],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `[
   {
     "id": 89,

frontend/src/app/interfaces/node-api.interface.ts

@@ -408,6 +408,7 @@ export interface Acceleration {
   bidBoost?: number;
   boostCost?: number;
   boostRate?: number;
+  minedByPoolUniqueId?: number;
 }
 
 export interface AccelerationHistoryParams {

frontend/src/app/services/api.service.ts

@@ -536,6 +536,10 @@ export class ApiService {
     );
   }
 
+  logAccelerationRequest$(txid: string): Observable<any> {
+    return this.httpClient.post(this.apiBaseUrl + this.apiBasePath + '/api/v1/acceleration/request/' + txid, '');
+  }
+
   // Cache methods
   async setBlockAuditLoaded(hash: string) {
     this.blockAuditLoaded[hash] = true;

frontend/src/app/services/enterprise.service.ts

@@ -30,6 +30,7 @@ export class EnterpriseService {
       this.fetchSubdomainInfo();
       this.disableSubnetworks();
       this.stateService.env.ACCELERATOR = false;
+      this.stateService.env.ACCELERATOR_BUTTON = false;
     } else {
       this.insertMatomo();
     }

frontend/src/app/services/services-api.service.ts

@@ -137,6 +137,10 @@ export class ServicesApiServices {
     return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/cashapp`, { txInput: txInput, token: token, cashtag: cashtag, referenceId: referenceId, accelerationUUID: accelerationUUID });
   }
 
+  accelerateWithApplePay$(txInput: string, token: string, cardTag: string, referenceId: string, accelerationUUID: string) {
+    return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/applePay`, { txInput: txInput, cardTag: cardTag, token: token, referenceId: referenceId, accelerationUUID: accelerationUUID });
+  }
+
   getAccelerations$(): Observable<Acceleration[]> {
     return this.httpClient.get<Acceleration[]>(`${this.stateService.env.SERVICES_API}/accelerator/accelerations`);
   }

frontend/src/app/services/state.service.ts

@@ -71,6 +71,7 @@ export interface Env {
   SIGNET_BLOCK_AUDIT_START_HEIGHT: number;
   HISTORICAL_PRICE: boolean;
   ACCELERATOR: boolean;
+  ACCELERATOR_BUTTON: boolean;
   PUBLIC_ACCELERATIONS: boolean;
   ADDITIONAL_CURRENCIES: boolean;
   GIT_COMMIT_HASH_MEMPOOL_SPACE?: string;
@@ -108,6 +109,7 @@ const defaultEnv: Env = {
   'SIGNET_BLOCK_AUDIT_START_HEIGHT': 0,
   'HISTORICAL_PRICE': true,
   'ACCELERATOR': false,
+  'ACCELERATOR_BUTTON': true,
   'PUBLIC_ACCELERATIONS': false,
   'ADDITIONAL_CURRENCIES': false,
   'SERVICES_API': 'https://mempool.space/api/v1/services',

frontend/src/app/shared/common.utils.ts

@@ -195,3 +195,47 @@ export function insecureRandomUUID(): string {
   }
   return uuid.slice(0, -1);
 }
+
+// https://stackoverflow.com/a/60467595
+export function md5(inputString): string {
+    var hc="0123456789abcdef";
+    function rh(n) {var j,s="";for(j=0;j<=3;j++) s+=hc.charAt((n>>(j*8+4))&0x0F)+hc.charAt((n>>(j*8))&0x0F);return s;}
+    function ad(x,y) {var l=(x&0xFFFF)+(y&0xFFFF);var m=(x>>16)+(y>>16)+(l>>16);return (m<<16)|(l&0xFFFF);}
+    function rl(n,c)            {return (n<<c)|(n>>>(32-c));}
+    function cm(q,a,b,x,s,t)    {return ad(rl(ad(ad(a,q),ad(x,t)),s),b);}
+    function ff(a,b,c,d,x,s,t)  {return cm((b&c)|((~b)&d),a,b,x,s,t);}
+    function gg(a,b,c,d,x,s,t)  {return cm((b&d)|(c&(~d)),a,b,x,s,t);}
+    function hh(a,b,c,d,x,s,t)  {return cm(b^c^d,a,b,x,s,t);}
+    function ii(a,b,c,d,x,s,t)  {return cm(c^(b|(~d)),a,b,x,s,t);}
+    function sb(x) {
+        var i;var nblk=((x.length+8)>>6)+1;var blks=new Array(nblk*16);for(i=0;i<nblk*16;i++) blks[i]=0;
+        for(i=0;i<x.length;i++) blks[i>>2]|=x.charCodeAt(i)<<((i%4)*8);
+        blks[i>>2]|=0x80<<((i%4)*8);blks[nblk*16-2]=x.length*8;return blks;
+    }
+    var i,x=sb(""+inputString),a=1732584193,b=-271733879,c=-1732584194,d=271733878,olda,oldb,oldc,oldd;
+    for(i=0;i<x.length;i+=16) {olda=a;oldb=b;oldc=c;oldd=d;
+        a=ff(a,b,c,d,x[i+ 0], 7, -680876936);d=ff(d,a,b,c,x[i+ 1],12, -389564586);c=ff(c,d,a,b,x[i+ 2],17,  606105819);
+        b=ff(b,c,d,a,x[i+ 3],22,-1044525330);a=ff(a,b,c,d,x[i+ 4], 7, -176418897);d=ff(d,a,b,c,x[i+ 5],12, 1200080426);
+        c=ff(c,d,a,b,x[i+ 6],17,-1473231341);b=ff(b,c,d,a,x[i+ 7],22,  -45705983);a=ff(a,b,c,d,x[i+ 8], 7, 1770035416);
+        d=ff(d,a,b,c,x[i+ 9],12,-1958414417);c=ff(c,d,a,b,x[i+10],17,     -42063);b=ff(b,c,d,a,x[i+11],22,-1990404162);
+        a=ff(a,b,c,d,x[i+12], 7, 1804603682);d=ff(d,a,b,c,x[i+13],12,  -40341101);c=ff(c,d,a,b,x[i+14],17,-1502002290);
+        b=ff(b,c,d,a,x[i+15],22, 1236535329);a=gg(a,b,c,d,x[i+ 1], 5, -165796510);d=gg(d,a,b,c,x[i+ 6], 9,-1069501632);
+        c=gg(c,d,a,b,x[i+11],14,  643717713);b=gg(b,c,d,a,x[i+ 0],20, -373897302);a=gg(a,b,c,d,x[i+ 5], 5, -701558691);
+        d=gg(d,a,b,c,x[i+10], 9,   38016083);c=gg(c,d,a,b,x[i+15],14, -660478335);b=gg(b,c,d,a,x[i+ 4],20, -405537848);
+        a=gg(a,b,c,d,x[i+ 9], 5,  568446438);d=gg(d,a,b,c,x[i+14], 9,-1019803690);c=gg(c,d,a,b,x[i+ 3],14, -187363961);
+        b=gg(b,c,d,a,x[i+ 8],20, 1163531501);a=gg(a,b,c,d,x[i+13], 5,-1444681467);d=gg(d,a,b,c,x[i+ 2], 9,  -51403784);
+        c=gg(c,d,a,b,x[i+ 7],14, 1735328473);b=gg(b,c,d,a,x[i+12],20,-1926607734);a=hh(a,b,c,d,x[i+ 5], 4,    -378558);
+        d=hh(d,a,b,c,x[i+ 8],11,-2022574463);c=hh(c,d,a,b,x[i+11],16, 1839030562);b=hh(b,c,d,a,x[i+14],23,  -35309556);
+        a=hh(a,b,c,d,x[i+ 1], 4,-1530992060);d=hh(d,a,b,c,x[i+ 4],11, 1272893353);c=hh(c,d,a,b,x[i+ 7],16, -155497632);
+        b=hh(b,c,d,a,x[i+10],23,-1094730640);a=hh(a,b,c,d,x[i+13], 4,  681279174);d=hh(d,a,b,c,x[i+ 0],11, -358537222);
+        c=hh(c,d,a,b,x[i+ 3],16, -722521979);b=hh(b,c,d,a,x[i+ 6],23,   76029189);a=hh(a,b,c,d,x[i+ 9], 4, -640364487);
+        d=hh(d,a,b,c,x[i+12],11, -421815835);c=hh(c,d,a,b,x[i+15],16,  530742520);b=hh(b,c,d,a,x[i+ 2],23, -995338651);
+        a=ii(a,b,c,d,x[i+ 0], 6, -198630844);d=ii(d,a,b,c,x[i+ 7],10, 1126891415);c=ii(c,d,a,b,x[i+14],15,-1416354905);
+        b=ii(b,c,d,a,x[i+ 5],21,  -57434055);a=ii(a,b,c,d,x[i+12], 6, 1700485571);d=ii(d,a,b,c,x[i+ 3],10,-1894986606);
+        c=ii(c,d,a,b,x[i+10],15,   -1051523);b=ii(b,c,d,a,x[i+ 1],21,-2054922799);a=ii(a,b,c,d,x[i+ 8], 6, 1873313359);
+        d=ii(d,a,b,c,x[i+15],10,  -30611744);c=ii(c,d,a,b,x[i+ 6],15,-1560198380);b=ii(b,c,d,a,x[i+13],21, 1309151649);
+        a=ii(a,b,c,d,x[i+ 4], 6, -145523070);d=ii(d,a,b,c,x[i+11],10,-1120210379);c=ii(c,d,a,b,x[i+ 2],15,  718787259);
+        b=ii(b,c,d,a,x[i+ 9],21, -343485551);a=ad(a,olda);b=ad(b,oldb);c=ad(c,oldc);d=ad(d,oldd);
+    }
+    return rh(a)+rh(b)+rh(c)+rh(d);
+}

frontend/src/locale/messages.xlf

@@ -1520,6 +1520,10 @@
           <context context-type="sourcefile">src/app/components/acceleration/accelerations-list/accelerations-list.component.html</context>
           <context context-type="linenumber">53</context>
         </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/address/address.component.html</context>
+          <context context-type="linenumber">252</context>
+        </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker-bar.component.html</context>
           <context context-type="linenumber">4</context>
@@ -2042,14 +2046,6 @@
         </context-group>
         <note priority="1" from="description">address.confirmed-balance</note>
       </trans-unit>
-      <trans-unit id="8211b4be0291a035cd67aeb84782c9e87d4daca3" datatype="html">
-        <source>Unconfirmed balance</source>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/address/address.component.html</context>
-          <context context-type="linenumber">252</context>
-        </context-group>
-        <note priority="1" from="description">address.unconfirmed-balance</note>
-      </trans-unit>
       <trans-unit id="c7daf1b7c126095c054f2d3728ae790b0ceef33a" datatype="html">
         <source>Confirmed UTXOs</source>
         <context-group purpose="location">
@@ -2058,13 +2054,13 @@
         </context-group>
         <note priority="1" from="description">address.confirmed-utxos</note>
       </trans-unit>
-      <trans-unit id="928915f31e05788ae07a353761e10e5992b2b58c" datatype="html">
+      <trans-unit id="ba986bd9e2848d2ef7329394ec87b7f4eaf61118" datatype="html">
-        <source>Unconfirmed UTXOs</source>
+        <source>Pending UTXOs</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/address/address.component.html</context>
           <context context-type="linenumber">262</context>
         </context-group>
-        <note priority="1" from="description">address.unconfirmed-utxos</note>
+        <note priority="1" from="description">address.pending-utxos</note>
       </trans-unit>
       <trans-unit id="f61c6867295f3b53d23557021f2f4e0aa1d0b8fc" datatype="html">
         <source>Type</source>
@@ -6640,7 +6636,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/transaction/transaction.component.ts</context>
-          <context context-type="linenumber">498</context>
+          <context context-type="linenumber">499</context>
         </context-group>
       </trans-unit>
       <trans-unit id="meta.description.bitcoin.transaction" datatype="html">
@@ -6655,7 +6651,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/transaction/transaction.component.ts</context>
-          <context context-type="linenumber">502</context>
+          <context context-type="linenumber">503</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7e06b8dd9f29261827018351cd71efe1c87839de" datatype="html">

frontend/src/resources/apple-pay.svg

@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 21.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Artwork" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="165.52107px" height="105.9651px" viewBox="0 0 165.52107 105.9651" enable-background="new 0 0 165.52107 105.9651"
+	 xml:space="preserve">
+<g>
+	<path id="XMLID_4_" d="M150.69807,0H14.82318c-0.5659,0-1.1328,0-1.69769,0.0033c-0.47751,0.0034-0.95391,0.0087-1.43031,0.0217
+		c-1.039,0.0281-2.0869,0.0894-3.1129,0.2738c-1.0424,0.1876-2.0124,0.4936-2.9587,0.9754
+		c-0.9303,0.4731-1.782,1.0919-2.52009,1.8303c-0.73841,0.7384-1.35721,1.5887-1.83021,2.52
+		c-0.4819,0.9463-0.7881,1.9166-0.9744,2.9598c-0.18539,1.0263-0.2471,2.074-0.2751,3.1119
+		c-0.0128,0.4764-0.01829,0.9528-0.0214,1.4291c-0.0033,0.5661-0.0022,1.1318-0.0022,1.6989V91.142
+		c0,0.5671-0.0011,1.13181,0.0022,1.69901c0.00311,0.4763,0.0086,0.9527,0.0214,1.4291
+		c0.028,1.03699,0.08971,2.08469,0.2751,3.11069c0.1863,1.0436,0.4925,2.0135,0.9744,2.9599
+		c0.473,0.9313,1.0918,1.7827,1.83021,2.52c0.73809,0.7396,1.58979,1.3583,2.52009,1.8302
+		c0.9463,0.4831,1.9163,0.7892,2.9587,0.9767c1.026,0.1832,2.0739,0.2456,3.1129,0.2737c0.4764,0.0108,0.9528,0.0172,1.43031,0.0194
+		c0.56489,0.0044,1.13179,0.0044,1.69769,0.0044h135.87489c0.5649,0,1.13181,0,1.69659-0.0044
+		c0.47641-0.0022,0.95282-0.0086,1.4314-0.0194c1.0368-0.0281,2.0845-0.0905,3.11301-0.2737
+		c1.041-0.1875,2.0112-0.4936,2.9576-0.9767c0.9313-0.4719,1.7805-1.0906,2.52011-1.8302c0.7372-0.7373,1.35599-1.5887,1.8302-2.52
+		c0.48299-0.9464,0.78889-1.9163,0.97429-2.9599c0.1855-1.026,0.2457-2.0737,0.2738-3.11069
+		c0.013-0.4764,0.01941-0.9528,0.02161-1.4291c0.00439-0.5672,0.00439-1.1319,0.00439-1.69901V14.8242
+		c0-0.5671,0-1.1328-0.00439-1.6989c-0.0022-0.4763-0.00861-0.9527-0.02161-1.4291c-0.02811-1.0379-0.0883-2.0856-0.2738-3.1119
+		c-0.18539-1.0432-0.4913-2.0135-0.97429-2.9598c-0.47421-0.9313-1.093-1.7816-1.8302-2.52
+		c-0.73961-0.7384-1.58881-1.3572-2.52011-1.8303c-0.9464-0.4818-1.9166-0.7878-2.9576-0.9754
+		c-1.0285-0.1844-2.0762-0.2457-3.11301-0.2738c-0.47858-0.013-0.95499-0.0183-1.4314-0.0217C151.82988,0,151.26297,0,150.69807,0
+		L150.69807,0z"/>
+	<path id="XMLID_3_" fill="#FFFFFF" d="M150.69807,3.532l1.67149,0.0032c0.4528,0.0032,0.90561,0.0081,1.36092,0.0205
+		c0.79201,0.0214,1.71849,0.0643,2.58209,0.2191c0.7507,0.1352,1.38029,0.3408,1.9845,0.6484
+		c0.5965,0.3031,1.14301,0.7003,1.62019,1.1768c0.479,0.4797,0.87671,1.0271,1.18381,1.6302
+		c0.30589,0.5995,0.51019,1.2261,0.64459,1.9823c0.1544,0.8542,0.1971,1.7832,0.21881,2.5801
+		c0.01219,0.4498,0.01819,0.8996,0.0204,1.3601c0.00429,0.5569,0.0042,1.1135,0.0042,1.6715V91.142
+		c0,0.558,0.00009,1.1136-0.0043,1.6824c-0.00211,0.4497-0.0081,0.8995-0.0204,1.3501c-0.02161,0.7957-0.0643,1.7242-0.2206,2.5885
+		c-0.13251,0.7458-0.3367,1.3725-0.64429,1.975c-0.30621,0.6016-0.70331,1.1484-1.18022,1.6251
+		c-0.47989,0.48-1.0246,0.876-1.62819,1.1819c-0.5997,0.3061-1.22821,0.51151-1.97151,0.6453
+		c-0.88109,0.157-1.84639,0.2002-2.57339,0.2199c-0.4574,0.0103-0.9126,0.01649-1.37889,0.0187
+		c-0.55571,0.0043-1.1134,0.0042-1.6692,0.0042H14.82318c-0.0074,0-0.0146,0-0.0221,0c-0.5494,0-1.0999,0-1.6593-0.0043
+		c-0.4561-0.00211-0.9112-0.0082-1.3512-0.0182c-0.7436-0.0201-1.7095-0.0632-2.5834-0.2193
+		c-0.74969-0.1348-1.3782-0.3402-1.9858-0.6503c-0.59789-0.3032-1.1422-0.6988-1.6223-1.1797
+		c-0.4764-0.4756-0.8723-1.0207-1.1784-1.6232c-0.3064-0.6019-0.5114-1.2305-0.64619-1.9852
+		c-0.15581-0.8626-0.19861-1.7874-0.22-2.5777c-0.01221-0.4525-0.01731-0.9049-0.02021-1.3547l-0.0022-1.3279l0.0001-0.3506V14.8242
+		l-0.0001-0.3506l0.0021-1.3251c0.003-0.4525,0.0081-0.9049,0.02031-1.357c0.02139-0.7911,0.06419-1.7163,0.22129-2.5861
+		c0.1336-0.7479,0.3385-1.3765,0.6465-1.9814c0.3037-0.5979,0.7003-1.1437,1.17921-1.6225
+		c0.477-0.4772,1.02309-0.8739,1.62479-1.1799c0.6011-0.3061,1.2308-0.5116,1.9805-0.6465c0.8638-0.1552,1.7909-0.198,2.5849-0.2195
+		c0.4526-0.0123,0.9052-0.0172,1.3544-0.0203l1.6771-0.0033H150.69807"/>
+	<g>
+		<g>
+			<path d="M45.1862,35.64053c1.41724-1.77266,2.37897-4.15282,2.12532-6.58506c-2.07464,0.10316-4.60634,1.36871-6.07207,3.14276
+				c-1.31607,1.5192-2.4809,3.99902-2.17723,6.3293C41.39111,38.72954,43.71785,37.36345,45.1862,35.64053"/>
+			<path d="M47.28506,38.98252c-3.38211-0.20146-6.25773,1.91951-7.87286,1.91951c-1.61602,0-4.08931-1.81799-6.76438-1.76899
+				c-3.48177,0.05114-6.71245,2.01976-8.4793,5.15079c-3.63411,6.2636-0.95904,15.55471,2.57494,20.65606
+				c1.71618,2.5238,3.78447,5.30269,6.50976,5.20287c2.57494-0.10104,3.58421-1.66732,6.71416-1.66732
+				c3.12765,0,4.03679,1.66732,6.76252,1.61681c2.82665-0.05054,4.59381-2.52506,6.30997-5.05132
+				c1.96878-2.877,2.77473-5.65498,2.82542-5.80748c-0.0507-0.05051-5.45058-2.12204-5.50065-8.33358
+				c-0.05098-5.20101,4.23951-7.6749,4.44144-7.82832C52.3832,39.4881,48.5975,39.08404,47.28506,38.98252"/>
+		</g>
+		<g>
+			<path d="M76.73385,31.94381c7.35096,0,12.4697,5.06708,12.4697,12.44437c0,7.40363-5.22407,12.49704-12.65403,12.49704h-8.13892
+				v12.94318h-5.88037v-37.8846H76.73385z M68.41059,51.9493h6.74732c5.11975,0,8.0336-2.75636,8.0336-7.53479
+				c0-4.77792-2.91385-7.50845-8.00727-7.50845h-6.77365V51.9493z"/>
+			<path d="M90.73997,61.97864c0-4.8311,3.70182-7.79761,10.26583-8.16526l7.56061-0.44614v-2.12639
+				c0-3.07185-2.07423-4.90959-5.53905-4.90959c-3.28251,0-5.33041,1.57492-5.82871,4.04313h-5.35574
+				c0.31499-4.98859,4.56777-8.66407,11.3941-8.66407c6.69466,0,10.97377,3.54432,10.97377,9.08388v19.03421h-5.43472v-4.54194
+				h-0.13065c-1.60125,3.07185-5.09341,5.01441-8.71623,5.01441C94.52078,70.30088,90.73997,66.94038,90.73997,61.97864z
+				 M108.56641,59.4846v-2.17905l-6.8,0.41981c-3.38683,0.23649-5.30306,1.73291-5.30306,4.09579
+				c0,2.41504,1.99523,3.99046,5.04075,3.99046C105.46823,65.81161,108.56641,63.08108,108.56641,59.4846z"/>
+			<path d="M119.34167,79.9889v-4.5946c0.4193,0.10483,1.36425,0.10483,1.83723,0.10483c2.6252,0,4.04313-1.10245,4.90908-3.9378
+				c0-0.05267,0.49931-1.68025,0.49931-1.70658l-9.97616-27.64562h6.14268l6.98432,22.47371h0.10432l6.98433-22.47371h5.9857
+				l-10.34483,29.06304c-2.36186,6.69517-5.0924,8.84789-10.81577,8.84789C121.17891,80.12006,119.76098,80.06739,119.34167,79.9889
+				z"/>
+		</g>
+	</g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+<g>
+</g>
+</svg>

production/mempool-frontend-config.mainnet.json

@@ -13,6 +13,7 @@
   "ITEMS_PER_PAGE": 25,
   "LIGHTNING": true,
   "ACCELERATOR": true,
+  "ACCELERATOR_BUTTON": true,
   "PUBLIC_ACCELERATIONS": true,
   "AUDIT": true
 }

production/nginx-cache-heater

@@ -9,6 +9,7 @@ heat()
 
 heatURLs=(
        '/api/v1/fees/recommended'
+       '/api/v1/accelerations'
 )
 
 while true

production/nginx/location-api-v1-services.conf

@@ -2,6 +2,9 @@
 # routing #
 ###########
 
+location /api/v1/accelerations {
+	try_files /dev/null @mempool-api-v1-services-cache-short;
+}
 location /api/v1/assets {
 	try_files /dev/null @mempool-api-v1-services-cache-short;
 }